August weather forecast and climate
Sydney, Australia

The landmarks of the city of Sydney, Australia
The landmarks of the city of Sydney, Australia
The last month of the winter, August, is also an enjoyable month in Sydney, Australia, with average temperature varying between 17.8°C (64°F) and 9°C (48.2°F).

Temperature

In Sydney, the average high-temperature is relatively the same as in July - a still enjoyable 17.8°C (64°F). In August, in Sydney, Australia, the average low-temperature is 9°C (48.2°F).

Humidity

The least humid month is August, with an average relative humidity of 49%.

Rainfall

In August, in Sydney, the rain falls for 10.4 days. Throughout August, 79.8mm (3.14") of precipitation is accumulated. Throughout the year, in Sydney, Australia, there are 143.4 rainfall days, and 1212.1mm (47.72") of precipitation is accumulated.

Sea temperature

In Sydney, Australia, the average water temperature is 18.8°C (65.8°F).
Note: Swimming in 18.8°C (65.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In Sydney, the average length of the day is 10.9h.

Sunshine

August through October and December, with an average of 7.9h of sunshine, are months with the most sunshine in Sydney.

UV index

In August, the average daily maximum UV index in Sydney is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Sydney?

In August, in Sydney, the average high-temperature is 17.8°C (64°F), and the average low-temperature is 9°C (48.2°F).

What is the least humid month in Sydney?

August is the least humid month in Sydney, Australia, with an average relative humidity of 49%.

What is the average humidity in August in Sydney?

In Sydney, Australia, the average relative humidity in August is 49%.

How many days does it rain in August in Sydney?

In Sydney, Australia, in August, during 10.4 rainfall days, 79.8mm (3.14") of precipitation is typically accumulated.

How cold is the water in August in Sydney?

In Sydney, Australia, the average seawater temperature in August is 18.8°C (65.8°F). For most, swimming in 18.8°C (65.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Sydney have in August?

In Sydney, the average length of the day in August is 10.9h.

What are the months with the most sunshine in Sydney?

August through October and December, with an average of 7.9h of sunshine, are months with the most sunshine in Sydney.

How long on average sun shines in August in Sydney?

In Sydney, the average sunshine in August is 7.9h.

How high is the UV index in August in Sydney?

In August, the average daily maximum UV index in Sydney is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in August - Sydney, Australia
  • Average high temperature in August: 17.8°C

The warmest month (with the highest average high temperature) is January (25.9°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in August: 9°C

The month with the highest average low temperature is February (18.8°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

Average humidity in August - Sydney, Australia
  • Average humidity in August: 49%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (49%).

Average rainfall in August - Sydney, Australia
  • Average rainfall in August: 79.8mm

The wettest month (with the highest rainfall) is June (131.9mm).
The driest month (with the least rainfall) is September (68.3mm).

Average rainfall days in August - Sydney, Australia
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (10.4 days).

Average sea temperature in August - Sydney, Australia
  • Average sea temperature in August: 18.8°C

The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).

Average daylight in August / Average sunshine in August - Sydney, Australia
  • Average daylight in August: 10.9h

The month with the longest days is December (Average daylight: 14.4h).
The month with the shortest days is June (Average daylight: 9.9h).

  • Average sunshine in August: 7.9h

Months with the most sunshine are August, September, October and December (Average sunshine: 7.9h).
The month with the least sunshine is June (Average sunshine: 5.9h).

Average UV index in August - Sydney, Australia
  • Average UV index in August: 4

Months with the highest UV index are January and December (UV index 12).
The month with the lowest UV index is June (UV index 2).